StackStorm is described as 'powerful open-source automation platform that wires together all of your apps, services and workflows. It’s extendable, flexible, and built with love for DevOps and ChatOps' and is a Workflow Automation Tool in the Development category. There are seven alternatives to StackStorm for Linux, Self-Hosted solutions, Mac and Windows. The best alternative is RunDeck, which is both free and Open Source. Other great apps like StackStorm are Apache Airflow (Free, Open Source), Apache Oozie (Free, Open Source), Azkaban (Free, Open Source) and Metaflow (Free, Open Source).
Azkaban is a batch workflow job scheduler created at LinkedIn to run Hadoop jobs. Azkaban resolves the ordering through job dependencies and provides an easy to use web user interface to maintain and track your workflows.